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Finding the Fourth Proportional to 27,393.76, 37,803.12 and 14,818.24

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Solution

The fourth proportional to 27,393.76, 37,803.12 and 14,818.24 is: 20,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.76 : 37,803.12 = 14,818.24 : x
  2. Step 2: Convert to fraction form
    27,393.76/37,803.12 = 14,818.24/x
  3. Step 3: Cross multiply
    27,393.76x = 37,803.12 × 14,818.24
  4. Step 4: Simplify right side
    27,393.76x = 560,175,704.91
  5. Step 5: Solve for x
    x = 560,175,704.91/27,393.76
  6. Step 6: Final answer
    x = 20,449.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.